软件定义网络技术的发展与应用研究

Research on development and application of software defined network technology

首先介绍了软件定义网络(Software Defined Network,SDN)技术发展历史、基本概念和研究背景,并介绍了系统结构和SDN控制器等关键部件;然后分析了SDN技术在网络架构、控制层设计、转发层设计方面的主要研究成果和方向;结合目前国内外的应用情况,介绍了SDN技术在数据中心、光传输网络等方面的典型应用情况;最后,指出了SDN技术的主要研究方向和发展趋势。

Firstly, this article introduces the Software Defined Network （SDN） technology development history, basic concepts and research background; and introduces the system structure and SDN controller. Then this article analyzes the main research direction of SDN technology in the network architecture, control layer design, and forwarding layer design; according to the current domestic and international application situation, introduces the typical application of SDN technology in the data center, optical network, etc. Finally, this article summarizes main research direction and development trends of SDN technology.